Home / 401,012-862,288

Finding the Third Proportional to 401,012 and 862,288

Calculator

Solution

The third proportional to 401,012 and 862,288 is: 1,854,160.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,012 : 862,288 = 862,288 : x
  2. Step 2: Convert to fraction form
    401,012/862,288 = 862,288/x
  3. Step 3: Cross multiply
    401,012x = 862,288 × 862,288
  4. Step 4: Simplify right side
    401,012x = 743,540,594,944
  5. Step 5: Solve for x
    x = 743,540,594,944/401,012
  6. Step 6: Final answer
    x = 1,854,160.46

Related Problems

Find third proportional to 200,506 and 431,144
Half scale
Find third proportional to 802,024 and 1,724,576
Double scale
Find third proportional to 401,014 and 862,292
Similar ratio
Find third proportional to 601,518 and 1,293,432
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.